Coupling



FIG. 1 is a perspective view of the coupling.

FIG. 2 is a front view of the coupling of FIG. 1.

FIG. 3 is a back view of the coupling of FIG. 1.

FIG. 4 is a left side view of the coupling of FIG. 1.

FIG. 5 is a right side view of the coupling of FIG. 1.

FIG. 6 is a top view of the coupling of FIG. 1; and,

FIG. 7 is a bottom view of the coupling of FIG. 1.

The evenly dashed broken lines illustrate portions of the coupling that form no part of the claim. The dash dot broken lines indicate boundaries of the claim and form no part thereof. 

CLAIM The ornamental design for a coupling, substantially as shown and described. 